4915478665 has 8 divisors (see below), whose sum is σ = 5905609920. Its totient is φ = 3927692592.

The previous prime is 4915478663. The next prime is 4915478669. The reversal of 4915478665 is 5668745194.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4915478665 - 2¹ = 4915478663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4915478663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 581679 + ... + 590068.

It is an arithmetic number, because the mean of its divisors is an integer number (738201240).

Almost surely, 2^4915478665 is an apocalyptic number.

It is an amenable number.

4915478665 is a deficient number, since it is larger than the sum of its proper divisors (990131255).

4915478665 is a wasteful number, since it uses less digits than its factorization.

4915478665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1172591.

The product of its digits is 7257600, while the sum is 55.

The square root of 4915478665 is about 70110.4747166927. The cubic root of 4915478665 is about 1700.2858417853.

The spelling of 4915478665 in words is "four billion, nine hundred fifteen million, four hundred seventy-eight thousand, six hundred sixty-five".